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Finding the Fourth Proportional to 502,675.42, 693,674.49 and 276,319.30

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Solution

The fourth proportional to 502,675.42, 693,674.49 and 276,319.30 is: 381,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,675.42 : 693,674.49 = 276,319.30 : x
  2. Step 2: Convert to fraction form
    502,675.42/693,674.49 = 276,319.30/x
  3. Step 3: Cross multiply
    502,675.42x = 693,674.49 × 276,319.30
  4. Step 4: Simplify right side
    502,675.42x = 191,675,649,504.66
  5. Step 5: Solve for x
    x = 191,675,649,504.66/502,675.42
  6. Step 6: Final answer
    x = 381,310.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.